chrome/browser/sessions/tab_restore_service_delegate.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_DELEGATE_H_
   6 #define CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_DELEGATE_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "chrome/browser/profiles/profile.h"
  12 #include "chrome/browser/sessions/session_id.h"
  13 #include "chrome/browser/ui/host_desktop.h"
  14
  15 class Profile;
  16
  17 namespace content {
  18 class NavigationController;
  19 class SessionStorageNamespace;
  20 class WebContents;
  21 }
  22
  23 namespace sessions {
  24 class SerializedNavigationEntry;
  25 }
  26
  27 // Objects implement this interface to provide necessary functionality for
  28 // TabRestoreService to operate. These methods are mostly copies of existing
  29 // Browser methods.
  30 class TabRestoreServiceDelegate {
  31  public:
  32   // see BrowserWindow::Show()
  33   virtual void ShowBrowserWindow() = 0;
  34
  35   // see Browser::session_id()
  36   virtual const SessionID& GetSessionID() const = 0;
  37
  38   // see Browser::tab_count()
  39   virtual int GetTabCount() const = 0;
  40
  41   // see Browser::active_index()
  42   virtual int GetSelectedIndex() const = 0;
  43
  44   // see Browser::app_name()
  45   virtual std::string GetAppName() const = 0;
  46
  47   // see Browser methods with the same names
  48   virtual content::WebContents* GetWebContentsAt(int index) const = 0;
  49   virtual content::WebContents* GetActiveWebContents() const = 0;
  50   virtual bool IsTabPinned(int index) const = 0;
  51   virtual content::WebContents* AddRestoredTab(
  52       const std::vector<sessions::SerializedNavigationEntry>& navigations,
  53       int tab_index,
  54       int selected_navigation,
  55       const std::string& extension_app_id,
  56       bool select,
  57       bool pin,
  58       bool from_last_session,
  59       content::SessionStorageNamespace* storage_namespace,
  60       const std::string& user_agent_override) = 0;
  61   virtual content::WebContents* ReplaceRestoredTab(
  62       const std::vector<sessions::SerializedNavigationEntry>& navigations,
  63       int selected_navigation,
  64       bool from_last_session,
  65       const std::string& extension_app_id,
  66       content::SessionStorageNamespace* session_storage_namespace,
  67       const std::string& user_agent_override) = 0;
  68   virtual void CloseTab() = 0;
  69
  70   // see Browser::Create
  71   static TabRestoreServiceDelegate* Create(
  72       Profile* profile,
  73       chrome::HostDesktopType host_desktop_type,
  74       const std::string& app_name);
  75
  76   // see browser::FindBrowserForWebContents
  77   static TabRestoreServiceDelegate* FindDelegateForWebContents(
  78       const content::WebContents* contents);
  79
  80   // see chrome::FindBrowserWithID
  81   // Returns the TabRestoreServiceDelegate of the Browser with |desired_id| if
  82   // such a Browser exists and is on the desktop defined by |host_desktop_type|.
  83   static TabRestoreServiceDelegate* FindDelegateWithID(
  84       SessionID::id_type desired_id,
  85       chrome::HostDesktopType host_desktop_type);
  86
  87  protected:
  88   virtual ~TabRestoreServiceDelegate() {}
  89 };
  90
  91 #endif  // CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_DELEGATE_H_